From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.6 required=3.0 tests=DATE_IN_PAST_06_12, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A4F83C33CB2 for ; Tue, 14 Jan 2020 22:07:43 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7F0C824656 for ; Tue, 14 Jan 2020 22:07:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7F0C824656 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4745A6E59D; Tue, 14 Jan 2020 22:07:38 +0000 (UTC) Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id 28FD8895A8; Tue, 14 Jan 2020 22:07:37 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 14 Jan 2020 14:07:36 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,320,1574150400"; d="scan'208";a="217896770" Received: from unknown (HELO localhost.jf.intel.com) ([10.166.29.74]) by orsmga008.jf.intel.com with ESMTP; 14 Jan 2020 14:07:36 -0800 From: Akeem G Abodunrin To: akeem.g.abodunrin@intel.com, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, omer.aran@intel.com, pragyansri.pathi@intel.com, d.scott.phillips@intel.com, david.c.stewart@intel.com, tony.luck@intel.com, jon.bloomfield@intel.com, sudeep.dutt@intel.com, daniel.vetter@intel.com, joonas.lahtinen@intel.com, jani.nikula@intel.com, chris.p.wilson@intel.com, prathap.kumar.valsan@intel.com, mika.kuoppala@intel.com, francesco.balestrieri@intel.com Subject: [RFC PATCH 0/2] Security mitigation for Intel Gen7 and Gen7.5 Date: Tue, 14 Jan 2020 06:51:34 -0800 Message-Id: <20200114145136.65373-1-akeem.g.abodunrin@intel.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" SW50ZWwgSUQ6IFBTSVJULVRBLTIwMTkxMC0wMDEKQ1ZFSUQ6IENWRS0yMDE5LTE0NjE1CgpTdW1t YXJ5IG9mIFZ1bG5lcmFiaWxpdHkKLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tCkluc3VmZmljaWVu dCBjb250cm9sIGZsb3cgaW4gY2VydGFpbiBkYXRhIHN0cnVjdHVyZXMgZm9yIHNvbWUgSW50ZWwo UikKUHJvY2Vzc29ycyB3aXRoIEludGVsIFByb2Nlc3NvciBHcmFwaGljcyBtYXkgYWxsb3cgYW4g dW5hdXRoZW50aWNhdGVkCnVzZXIgdG8gcG90ZW50aWFsbHkgZW5hYmxlIGluZm9ybWF0aW9uIGRp c2Nsb3N1cmUgdmlhIGxvY2FsIGFjY2VzcwoKUHJvZHVjdHMgYWZmZWN0ZWQ6Ci0tLS0tLS0tLS0t LS0tLS0tLQpJbnRlbCBDUFXigJlzIHdpdGggR2VuNywgR2VuNy41IGFuZCBHZW45IEdyYXBoaWNz LgoKTWl0aWdhdGlvbiBTdW1tYXJ5Ci0tLS0tLS0tLS0tLS0tLS0tLQpUaGlzIHBhdGNoIHByb3Zp ZGVzIG1pdGlnYXRpb24gZm9yIEdlbjcgYW5kIEdlbjcuNSBoYXJkd2FyZSBvbmx5LgpQYXRjaCBm b3IgR2VuOSBkZXZpY2VzIGhhdmUgYmVlbiBwcm92aWRlZCBhbmQgbWVyZ2VkIHRvIExpbnV4IG1h aW5saW5lLAphbmQgYmFja3BvcnRlZCB0byBzdGFibGUga2VybmVscy4KTm90ZSB0aGF0IEdlbjgg aXMgbm90IGltcGFjdGVkIGR1ZSB0byBhIHByZXZpb3VzbHkgaW1wbGVtZW50ZWQKd29ya2Fyb3Vu ZC4KClRoZSBtaXRpZ2F0aW9uIGludm9sdmVzIHN1Ym1pdHRpbmcgYSBjdXN0b20gRVUga2VybmVs IHByaW9yIHRvIGV2ZXJ5CmNvbnRleHQgcmVzdG9yZSwgaW4gb3JkZXIgdG8gZm9yY2libHkgY2xl YXIgZG93biByZXNpZHVhbCBFVSBhbmQgVVJCCnJlc291cmNlcy4KClRoaXMgaXMgY3VycmVudGx5 IGFuIFJGQyB3aGlsZSBtb3JlIGFuYWx5c2lzIGlzIHBlcmZvcm1lZCBvbiB0aGUKcGVyZm9ybWFu Y2UgaW1wbGljYXRpb25zLgoKTm90ZSBvbiBBZGRyZXNzIFNwYWNlIElzb2xhdGlvbiAoRnVsbCBQ UEdUVCkKLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0KCklzb2xh dGlvbiBvZiBFVSBrZXJuZWwgYXNzZXRzIHNob3VsZCBiZSBjb25zaWRlcmVkIGNvbXBsZW1lbnRh cnkgdG8gdGhlCmV4aXN0aW5nIHN1cHBvcnQgZm9yIGFkZHJlc3Mgc3BhY2UgaXNvbGF0aW9uIChh a2EgRnVsbCBQUEdUVCksIHNpbmNlCndpdGhvdXQgYWRkcmVzcyBzcGFjZSBpc29sYXRpb24gdGhl cmUgaXMgbWluaW1hbCB2YWx1ZSBpbiBwcmV2ZW50aW5nCmxlYWthZ2UgYmV0d2VlbiBFVSBjb250 ZXh0cy4gRnVsbCBQUEdUVCBoYXMgbG9uZyBiZWVuIHN1cHBvcnRlZCBvbiBHZW4KR2Z4IGRldmlj ZXMgc2luY2UgR2VuOCwgYW5kIHByb3RlY3Rpb24gYWdhaW5zdCBFVSByZXNpZHVhbCBsZWFrYWdl IGlzIGEKd2VsY29tZSBhZGRpdGlvbiBmb3IgdGhlc2UgbmV3ZXIgcGxhdGZvcm1zLgoKQnkgY29u dHJhc3QsIEdlbjcgYW5kIEdlbjcuNSBkZXZpY2UgaW50cm9kdWNlZCBGdWxsIFBQR1RUIHN1cHBv cnQgb25seQphcyBhIGhhcmR3YXJlIGRldmVsb3BtZW50IGZlYXR1cmUgZm9yIGFudGljaXBhdGVk IEdlbjggcHJvZHVjdGl6YXRpb24uClN1cHBvcnQgd2FzIG5ldmVyIGludGVuZGVkIGZvciwgb3Ig cHJvdmlkZWQgdG8gdGhlIExpbnV4IGtlcm5lbHMgZm9yCnRoZXNlIHBsYXRmb3Jtcy4gUmVjZW50 IHdvcmsgKHN0aWxsIG9uZ29pbmcpIHRvIHRoZSBtYWlubGluZSBrZXJuZWwgaXMKcmV0cm9hY3Rp dmVseSBwcm92aWRpbmcgdGhpcyBzdXBwb3J0LCBidXQgZHVlIHRvIHRoZSBsZXZlbCBvZiBjb21w bGV4aXR5Cml0IGlzIG5vdCBwcmFjdGljYWwgdG8gYXR0ZW1wdCB0byBiYWNrcG9ydCB0aGlzIHRv IGVhcmxpZXIgc3RhYmxlCmtlcm5lbHMuIFNpbmNlIHdpdGhvdXQgRnVsbCBQUEdUVCwgRVUgcmVz aWR1YWxzIHByb3RlY3Rpb24gaGFzCnF1ZXN0aW9uYWJsZSBiZW5lZml0LCAqdGhlcmUgYXJlIG5v IHBsYW5zIHRvIHByb3ZpZGUgc3RhYmxlIGtlcm5lbApiYWNrcG9ydHMgZm9yIHRoaXMgcGF0Y2gg c2VyaWVzLioKCk1pa2EgS3VvcHBhbGEgKDEpOgogIGRybS9pOTE1OiBBZGQgbWVjaGFuaXNtIHRv IHN1Ym1pdCBhIGNvbnRleHQgV0Egb24gcmluZyBzdWJtaXNzaW9uCgpQcmF0aGFwIEt1bWFyIFZh bHNhbiAoMSk6CiAgZHJtL2k5MTUvZ2VuNzogQ2xlYXIgYWxsIEVVL0wzIHJlc2lkdWFsIGNvbnRl eHRzCgogZHJpdmVycy9ncHUvZHJtL2k5MTUvTWFrZWZpbGUgICAgICAgICAgICAgICAgIHwgICAx ICsKIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2d0L2dlbjdfcmVuZGVyY2xlYXIuYyAgICB8IDUxNCAr KysrKysrKysrKysrKysrKysKIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2d0L2dlbjdfcmVuZGVyY2xl YXIuaCAgICB8ICAxNSArCiBkcml2ZXJzL2dwdS9kcm0vaTkxNS9ndC9pbnRlbF9ncHVfY29tbWFu ZHMuaCAgfCAgMTcgKy0KIC4uLi9ncHUvZHJtL2k5MTUvZ3QvaW50ZWxfcmluZ19zdWJtaXNzaW9u LmMgICB8IDEwMyArKystCiBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X3V0aWxzLmggICAgICAg ICAgICAgfCAgIDUgKwogNiBmaWxlcyBjaGFuZ2VkLCA2NDkgaW5zZXJ0aW9ucygrKSwgNiBkZWxl dGlvbnMoLSkKIGNyZWF0ZSBtb2RlIDEwMDY0NCBkcml2ZXJzL2dwdS9kcm0vaTkxNS9ndC9nZW43 X3JlbmRlcmNsZWFyLmMKIGNyZWF0ZSBtb2RlIDEwMDY0NCBkcml2ZXJzL2dwdS9kcm0vaTkxNS9n dC9nZW43X3JlbmRlcmNsZWFyLmgKCi0tIAoyLjIwLjEKCl9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVs QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWls bWFuL2xpc3RpbmZvL2RyaS1kZXZlbAo=